Highway subgrade stability enhancing device

Abstract

The utility model discloses a highway subgrade stability enhancing device, and belongs to the technical field of highway subgrades. Comprising a geogrid, stretching strips are slidably connected to the interior of the geogrid in a linear equal-interval structure mode, one ends of the multiple stretching strips are fixedly connected with the geogrid, the other ends of the multiple stretching strips penetrate through the geogrid and are fixedly connected with stretching plates, and the two ends of the geogrid are fixedly connected with mounting battens; and a plurality of through grooves which can be in sliding fit with the stretching strips are formed in one mounting plate strip. The stretching strips are connected with the geogrid in a sliding mode, so that the geogrid can achieve regulation and limiting of the hole pitch of the geogrid under the tightening effect of the stretching strips, and under the fixed limiting effect of the mounting battens, the stability of the geogrid hole pitch unfolding laying use can be guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of highway subgrade, more particularly, to a highway subgrade stability enhancement device. BACKGROUND

[0002] The main role of the subgrade is to provide necessary conditions for track or pavement laying and train or vehicle operation, and to bear the static load and dynamic load of the track and rolling stock or the pavement and traffic load, and at the same time, to transmit and diffuse the load to the deep foundation. In highway construction, laying is often performed on soft foundation soil. When laying on soft foundation soil, the soft foundation soil needs to be compacted first to increase the stability of the subgrade before laying the pavement.

[0003] The prior art document with publication (announcement) number CN221919334U provides a high-strength geocell. In the related technology of the device, the reinforcing column provided in the strength installation assembly is clamped at the connection of the first geocell body and the second geocell body, the fixed sleeve is provided outside the reinforcing column and is clamped outside the reinforcing column again, the U-shaped rod drives the clamping block to be clamped with the clamping groove, so that the U-shaped rod is reinforced with the reinforcing column and the fixed cylinder, the bearing provided in the splicing assembly is matched with the strip-shaped plate to rotate to the appropriate position, the strip-shaped plate is fixed with the threaded groove by the fixed nails and the threaded groove when the strip-shaped plate is rotated to the appropriate position, so that the first semicircular splicing column and the second semicircular splicing column are spliced and installed, the traditional geocell has the technical problem of mechanical defects, which reduces the strength of use, causes the geocell sheet to be prone to rupture, and the splicing assembly is not convenient at the junction of the geocell, which affects the use effect.

[0004] Although the prior art scheme in the above can achieve the beneficial effects related to the prior art, it still has the following defects: the geocell body stretched and laid on the surface of the subgrade for reinforcement needs to be supported and limited in diameter by the strength installation assembly, which has a large installation amount and poor operation and use effect.

[0005] In view of this, we propose a highway subgrade stability enhancement device. CONTENT OF THE UTILITY MODEL

[0006] In order to improve the problems proposed in the above background art, the present application provides a highway subgrade stability enhancement device,

[0007] The highway subgrade stability enhancement device provided by the present application adopts the following technical scheme:

[0008] The application discloses a highway roadbed stability reinforcing device, which comprises a geogrid, a plurality of stretching strips are slidably connected to the geogrid in a linear equidistant structure, one end of each of the plurality of stretching strips is fixedly connected to the geogrid, the other end of each of the plurality of stretching strips penetrates through the geogrid and is fixedly connected to a stretching plate, and both ends of the geogrid are fixedly connected to mounting plate strips, and one of the mounting plate strips is provided with a plurality of penetrating grooves capable of slidably matching the stretching strips.

[0009] By adopting the above technical scheme, the stretching strips are slidably connected to the geogrid, so that the geogrid can be limited in position in the stretching of the stretching strips, and the geogrid can be stably laid and used in the fixed limiting of the mounting plate strips.

[0010] As an optional scheme of the technical scheme of the application, the geogrid is formed by wrapping steel wires with a high-density polyethylene material, and a plurality of penetrating holes are formed in the geogrid.

[0011] By adopting the above technical scheme, the geogrid formed by wrapping steel wires with a high-density polyethylene material can effectively improve the stability of the geogrid in soil fixation, and the penetrating holes formed in the geogrid can not only ensure the compactness of roadbed rolling and tamping, but also drain water from the road surface, so as to avoid water accumulation in the roadbed and hinder road paving operation.

[0012] As an optional scheme of the technical scheme of the application, the stretching strips are coated with a fluorescent agent.

[0013] By adopting the above technical scheme, the fluorescent agent coated on the stretching strips can ensure the visibility of the laid geogrid in a dim environment, avoid pedestrians and vehicles from entering an unfinished highway construction area, and ensure construction safety.

[0014] As an optional scheme of the technical scheme of the application, the mounting plate strip comprises a bent plate body, a plurality of mounting holes are formed in one side of the bent plate body in a linear equidistant structure, a bent opening is formed in one side of the bent plate body relative to the middle positions of the two mounting holes, and a traction strip is fixedly connected in the bent opening.

[0015] By adopting the above technical scheme, the bent plate body, the mounting holes and the traction strip form a bent mounting plate strip structure, so that the bent and unfolded mounting plate strip can stably hold and limit the unfolded geogrid, and the stability of the geogrid in filling and paving construction is ensured.

[0016] As an optional scheme of the technical scheme of the application, the traction strip is arranged in a ladder-shaped structure.

[0017] By adopting the technical scheme, the traction strip arranged in the ladder-shaped structure can guarantee sufficient tensile strength of the traction strip and stability of the bent and unfolded installation strip.

[0018] In summary, the present application has at least one of the following beneficial technical effects:

[0019] 1. The present application uses the sliding connection between the tensile strip and the geogrid to control the spacing of the geogrid under the tensioning effect of the tensile strip, and the geogrid can be stably laid and used under the fixed spacing of the installation strip.

[0020] 2. The present application uses the bent plate body, the installation hole and the traction strip to form the installation strip structure that can be bent, so that the bent and unfolded installation strip can stably hold and limit the unfolded geogrid, and guarantee the stability of the geogrid filling and laying construction. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The overall structure of the highway subgrade stability enhancement device is unfolded in a state diagram.

[0022] Figure 2 The overall structure of the highway subgrade stability enhancement device is folded and stored in a state diagram.

[0023] Figure 3 The geogrid structure of the highway subgrade stability enhancement device is shown in a state diagram.

[0024] Figure 4 The installation strip structure of the highway subgrade stability enhancement device is shown in a state diagram.

[0025] Figure 5 The traction strip structure of the highway subgrade stability enhancement device is shown in a state diagram.

[0026] Explanation of reference numerals in the drawing: 1, geogrid; 2, tensile strip; 3, tensile plate; 4, installation strip; 41, bent plate body; 42, installation hole; 43, traction strip. DETAILED DESCRIPTION

[0027] The present application will be further described in detail below in combination with the accompanying drawings.

[0028] Reference Figure 1 and Figure 2The highway subgrade stability enhancement device disclosed in the embodiment of the application comprises a geogrid 1, a plurality of stretching strips 2 are linearly and equidistantly connected to the inside of the geogrid 1 in a sliding mode, one end of each of the plurality of stretching strips 2 is fixedly connected to the geogrid 1, the other end of each of the plurality of stretching strips 2 penetrates through the geogrid 1 and is fixedly connected to a stretching plate 3, and each of the two ends of the geogrid 1 is fixedly connected to a mounting plate strip 4, and a plurality of penetration grooves capable of slidingly cooperating with the stretching strips 2 are formed in one of the mounting plate strips 4.

[0029] The highway subgrade stability enhancement device can realize the regulation and limiting of the hole distance of the geogrid 1 under the tightening action of the stretching strips 2, and can guarantee the stability of the expansion and laying of the geogrid 1 under the fixed limiting of the mounting plate strips 4.

[0030] Referring to Figure 3 and Figure 1 The geogrid 1 of the highway subgrade stability enhancement device disclosed in the embodiment of the application is formed by wrapping steel wires with high-density polyethylene material, and a plurality of penetration holes are formed in the outside of the geogrid 1.

[0031] The highway subgrade stability enhancement device can effectively improve the firmness of the geogrid 1 in soil fixation by using the geogrid 1 formed by wrapping steel wires with high-density polyethylene material, and the penetration holes formed in the outside of the geogrid 1 can not only guarantee the compactness of the subgrade compaction, but also can drain water from the road surface to avoid water accumulation in the subgrade to hinder the road paving operation.

[0032] Referring to Figure 1 The stretching strips 2 of the highway subgrade stability enhancement device disclosed in the embodiment of the application are coated with a fluorescent agent on the outside.

[0033] The highway subgrade stability enhancement device can guarantee the visibility of the laid geogrid 1 in a dim environment by using the fluorescent agent coated on the outside of the stretching strips 2, avoid pedestrians and vehicles from entering the unfinished highway construction area, and guarantee the construction safety.

[0034] Referring to Figure 4 and Figure 5 The mounting plate strip 4 of the highway subgrade stability enhancement device disclosed in the embodiment of the application comprises a bent plate body 41, a plurality of mounting holes 42 are linearly and equidistantly formed in one side of the bent plate body 41, a bent opening is formed in one side of the bent plate body 41 relative to the middle position of the two mounting holes 42, a traction strip 43 is fixedly connected in the bent opening, and the traction strip 43 is arranged in a ladder-shaped structure.

[0035] The roadbed stability reinforcing device, by utilizing the bending plate body 41, the mounting hole 42 and the traction strip 43 to form the mounting plate strip 4 structure capable of bending, so that the bending and unfolding mounting plate strip 4 can stably hold and limit the unfolded geogrid 1, guarantee the stability of the geogrid 1 filling and paving construction, and the traction strip 43 arranged in the ladder type structure can guarantee that the traction strip 43 has sufficient tensile strength, guarantee the stability of the bending and unfolding mounting plate strip 4.

[0036] Working principle: the folded geogrid device is stretched and unfolded, and is laid on the roadbed surface for use in reinforcing and enhancing the roadbed. When the operator fixes the mounting plate strip 4 at the end of the stretching plate 3 through the peg and fixes it on one side of the roadbed for limiting;

[0037] Then, the stretching plate 3 is pulled to drive the stretching strip 2 to stretch and unfold the folded geogrid 1. When the other mounting plate strip 4 connected and fixed with the geogrid 1 is adhered to the other side of the roadbed at a proper position, the stretching plate 3 is stopped from being pulled;

[0038] Then, the mounting plate strip 4 is fixed on the side of the roadbed through the peg, and then the stone and other soil layers are laid in the geogrid 1 and compacted, so that the road surface reinforcement is realized.

Claims

1. A highway subgrade stability enhancement device, characterized by, The utility model provides a kind of geogrid (1), the linear equidistant structure sliding connection is connected with tensile strip (2) inside the geogrid (1), multiple tensile strip (2) one end is connected with geogrid (1) fixed, another end is fixedly connected with tensile plate (3) and penetrates geogrid (1), and the geogrid (1) both ends are fixedly connected with mounting plate strip (4), one of the mounting plate strip (4) is equipped with multiple through grooves that can be slid with tensile strip (2).

2. The highway embankment stability enhancement device of claim 1, wherein: The geogrid (1) is formed by the plate structure of high-density polyethylene material wrapping steel wire, and the geogrid (1) is externally provided with multiple penetration holes.

3. The highway embankment stability enhancement device of claim 1, wherein: The tensile strip (2) is externally coated with a fluorescent agent.

4. The highway embankment stability enhancement device according to claim 1, wherein: The mounting plate strip (4) includes a bent plate body (41), which is provided with multiple mounting holes (42) on one side in a linear equidistant structure. The bent plate body (41) is provided with a bent opening on one side relative to the middle position of the two mounting holes (42). The bent opening is fixedly connected with a traction strip (43).

5. The highway embankment stability enhancement device of claim 4, wherein: The traction strip (43) is arranged in a ladder-shaped structure.

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